Switched to using supplied spt_strlcpy, changed spt_status.c to use it, and removed option to use system strlcpy from c.h

Signed-off-by: Jason Myers <jason@jasonamyers.com>

Conflicts:

	src/c.h
Removing TODO Item

Signed-off-by: Jason Myers <jason@jasonamyers.com>
Dropped spt_strlcpy.h

The file isn't really needed: the define can go somewhere else.
Dropped 'extern' definition of the function.
Dropped unneeded strlcpy config macro
Issue #27 fixed
Merge branch 'issue-27'